Ready-to-use ELISA kits are available for the detection of ICE(rel)III, an alias of the protein, caspase 5. The official gene symbol is CASP5. The protein has a mass of 49.7 kDa and length of 434 residues. It is a member of the Peptidase C14A family and may be known by other names, including: ICEREL-III, ICE(rel)III, protease ICH-3, caspase 5 apoptosis-related cysteine protease, caspase 5 apoptosis-related cysteine peptidase, and TY protease.